1372740513 has 4 divisors (see below), whose sum is σ = 1830320688. Its totient is φ = 915160340.

The previous prime is 1372740461. The next prime is 1372740541. The reversal of 1372740513 is 3150472731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1372740513 - 2⁶ = 1372740449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372740563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228790083 + ... + 228790088.

It is an arithmetic number, because the mean of its divisors is an integer number (457580172).

Almost surely, 2^1372740513 is an apocalyptic number.

It is an amenable number.

1372740513 is a deficient number, since it is larger than the sum of its proper divisors (457580175).

1372740513 is an equidigital number, since it uses as much as digits as its factorization.

1372740513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457580174.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1372740513 is about 37050.5129924000. The cubic root of 1372740513 is about 1111.3806138769.

The spelling of 1372740513 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, five hundred thirteen".